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Engineering jobs

8 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.

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Senior Platform Engineer (Defence & Security)
8 days ago
Reaktor · Helsinki, Finland
On-siteFull-timeSeniorEngineering
You will design, build and operate on-premise infrastructure and private cloud platforms that support critical products and our clients’ business needs.
Lead Developer
8 days ago
Reaktor · Helsinki, Finland
Full-timeLead / staffEngineering
Being the first point of contact for the client when it comes to technical questions or the quality of the delivery; Working together with the client’s tech and business teams: facilitating collaboration between different stakeholders to ensure quality delivery; Implementing…
Senior Native Mobile Developer - iOS or Android | Retail
3 weeks ago
Reaktor · Helsinki, Finland +2
HybridFull-timeSeniorEngineering
Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Retail Business Unit in our European locations (Helsinki, Amsterdam, Lisbon).
Platform Engineer (AWS), Gaming & Entertainment
7 weeks ago
Reaktor · Helsinki, Finland
HybridFull-timeSeniorEngineering
In this role, you will be working as part of a Reaktor team consulting the client and supporting the product team with infrastructure automation and DevOps practices. The work may include building new infrastructure and platforms, or help to integrate the existing…
AI Developer - LLM Applications
2 months ago
Reaktor · Helsinki, Finland
HybridFull-timeEngineering
Designing and implementing end-to-end LLM-enabled applications from backend architecture to user-facing components, ensuring scalability and maintainability.; Integrating commercial and open source LLMs (e.g. OpenAI, Anthropic, Meta Llama etc.) into production applications and…
Mobile Developer
3 months ago
Reaktor · Helsinki, Finland
HybridFull-timeEngineering
Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Gaming & Entertainment Business Unit in Helsinki.
Senior Fullstack Developer
4 months ago
Reaktor · Helsinki, Finland
HybridFull-timeSeniorEngineering
Strong experience in modern frontend development, for example with TypeScript, , React or comparable technologies; Strong experience in backend service development, for example with Node.js, Java, Kotlin, Scala, Clojure, Python or comparable technologies; Experience building,…
Senior Fullstack Developer
4 months ago
Reaktor · Amsterdam, Netherlands
HybridFull-timeSeniorEngineering
Strong experience in modern frontend development, for example with TypeScript and React or comparable technologies; Strong experience in backend service development, for example with Node.js, Java, Kotlin, Python or comparable technologies; Experience building, shipping and…

Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.